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Improved Racing Performance Coolant Port Plug for GM Gen III-V LS & LT Engines
Improved Racing Performance Coolant Port Plug for GM Gen III-V LS & LT Engines
A precision-machined coolant port plug for GM small block engines, built to a higher standard than the factory part.
Key Features
- Superior quality to OEM part numbers 11611351 and 12561663
- Precision machined from steel and clear zinc-plated
- Rubber bonded sealing washer of zinc-plated steel and nitrile rubber with a self-centering feature
Fitment
All GM Gen III, IV, and V small block engines (LS and LT).